package com.kuang.demo3;

/**
 * @Title:
 * @Description:
 *  抽象原型类：图形类
 * @Author: zx
 * @Date: create in 11:18 2020/8/7
 * @Version: 1.0
 */
public interface Shape extends Cloneable {

    Object clone();    //拷贝
    void countArea();    //计算面积
}
